Finding the Fourth Proportional to 7,750.11, 11,625.99 and 5,134.62
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Solution
The fourth proportional to 7,750.11, 11,625.99 and 5,134.62 is: 7,702.48
Step by Step Solution
- Step 1: Write the proportion equation
7,750.11 : 11,625.99 = 5,134.62 : x - Step 2: Convert to fraction form
7,750.11/11,625.99 = 5,134.62/x - Step 3: Cross multiply
7,750.11x = 11,625.99 × 5,134.62 - Step 4: Simplify right side
7,750.11x = 59,695,040.77 - Step 5: Solve for x
x = 59,695,040.77/7,750.11 - Step 6: Final answer
x = 7,702.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.